MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links directs to a known malicious redirector, indicating a malicious intent to lead the user to harmful content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=pancreas+anatomia+e+histologia+pdf
- http://files.wildwoodacres.com/uploads/1/3/0/9/130969498/2421831.pdf
- http://files.hermitthrushhomestead.com/uploads/1/3/1/6/131637419/wobigapepo.pdf
- http://files.veritones.com/uploads/1/3/1/3/131398350/rogaxopopuwukixa.pdf
- http://files.pursewithpurpose.org/uploads/1/3/1/6/131637211/mopidozimisud_rozupe_wizebofepeloda.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3258/4098/files/65465073651.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jotinu.pdf
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/lavevezogozatilufuxunok.pdf
- https://cdn.shopify.com/s/files/1/0428/5464/5916/files/misaladajuxu.pdf
- https://cdn.shopify.com/s/files/1/0435/8583/1080/files/72028018264.pdf
- https://cdn.shopify.com/s/files/1/0428/5802/1027/files/english_alphabet_letters.pdf
- https://cdn.shopify.com/s/files/1/0430/2520/3354/files/52582328362.pdf
- https://cdn.shopify.com/s/files/1/0431/6689/2186/files/53842522574.pdf
- https://cdn.shopify.com/s/files/1/0430/8392/3609/files/how_to_change_to_word_on_macbook_air.pdf
- https://cdn.shopify.com/s/files/1/0437/3066/5637/files/19084502989.pdf
- https://cdn.shopify.com/s/files/1/0431/8589/7627/files/25470153307.pdf
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/10537086952.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000073e8.bin73b467cb8d3e1d8fe4d6a1686ca724d86659c98996a24d216238ac30e4e3f249 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E8 | 5568 bytes |
font_01_sfnt_off000086ad.bin78698eeecc265bb97886f5d9860291a59220540889fd94d553be96e3ead979c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86AD | 10672 bytes |
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